EP3468652B1 - Katheter - Google Patents

Katheter Download PDF

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Publication number
EP3468652B1
EP3468652B1 EP18737025.9A EP18737025A EP3468652B1 EP 3468652 B1 EP3468652 B1 EP 3468652B1 EP 18737025 A EP18737025 A EP 18737025A EP 3468652 B1 EP3468652 B1 EP 3468652B1
Authority
EP
European Patent Office
Prior art keywords
catheter
shaft body
polymer
distal
tip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18737025.9A
Other languages
English (en)
French (fr)
Other versions
EP3468652A1 (de
Inventor
John Bridgeman
Daniel JINDRA
Peter Bo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teleflex Life Sciences ULC
Original Assignee
Teleflex Life Sciences ULC
Teleflex Life Sciences Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teleflex Life Sciences ULC, Teleflex Life Sciences Ltd filed Critical Teleflex Life Sciences ULC
Priority to EP19163614.1A priority Critical patent/EP3520851A1/de
Publication of EP3468652A1 publication Critical patent/EP3468652A1/de
Application granted granted Critical
Publication of EP3468652B1 publication Critical patent/EP3468652B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04—Macromolecular materials
    • A61L29/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/08—Materials for coatings
    • A61L29/085—Macromolecular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/18—Materials at least partially X-ray or laser opaque
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • A61M2025/0081—Soft tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Claims (15)

  1. Katheter, der Folgendes umfasst:
    einen länglichen Schaftkörper (106, 306, 406), der sich von einem proximalen Ende (110) bis zu einem distalen Ende (112) erstreckt und ein inneres Lumen definiert, wobei der Schaftkörper eine Auskleidung (332), ein Geflecht (334) oder eine Wendel (336, 338), welche(s) die Auskleidung (332) umgibt, und eine Polymerabdeckung (340, 440), die das Geflecht (334) oder die Wendel (336, 338) umgibt, einschließt,
    einen distalen äußeren Abschnitt der Polymerabdeckung (340, 440) des Schaftkörpers, der einen oder mehrere spiralförmige Gewindegänge (420) einschließt, die konfiguriert sind, um eine Bewegung des Schaftkörpers innerhalb des Gefäßsystems über eine Drehung, die auf das proximale Ende des Schaftkörpers angewendet wird, anzutreiben, und
    ein Spitzenelement, das an dem distalen Ende des Schaftkörpers angeordnet ist,
    dadurch gekennzeichnet, dass
    eine äußere Umhüllung (441) den distalen äußeren Abschnitt der Polymerabdeckung (340, 440) und den einen oder die mehreren spiralförmigen Gewindegänge bedeckt.
  2. Katheter nach Anspruch 1, wobei das Spitzenelement (308, 708) ein Polymer-Spitzenelement einschließt, das eine distale Spitze aufweist.
  3. Katheter nach Anspruch 2, wobei ein proximaler (750) und ein dazwischenliegender Abschnitt des Spitzenelements (708) mit einem strahlenundurchlässigen Füllmaterial geladen sind und wobei die distale Spitze (754) das strahlenundurchlässige Füllmaterial nicht aufweist.
  4. Katheter nach einem der Ansprüche 2 oder 3, wobei die distale Spitze (754) aus einem Polymer besteht, das eine Durometer-Härte von etwa 50 D bis etwa 60 D aufweist.
  5. Katheter nach Anspruch 4, wobei das Polymer der distalen Spitze (754) ein thermoplastisches Elastomer ist.
  6. Katheter nach einem der Ansprüche 4 oder 5, wobei die Durometer-Härte der distalen Spitze (754) größer ist als eine Durometer-Härte eines Rests des Spitzenelements.
  7. Katheter nach einem der Ansprüche 2 bis 6, wobei die distale Spitze (754) eine Länge von etwa 1 mm bis etwa 2 mm aufweist.
  8. Katheter nach einem der Ansprüche 2 bis 7, wobei das Polymer-Spitzenelement einen nicht verjüngten proximalen Abschnitt (750) und einen verjüngten distalen Abschnitt (752) einschließt.
  9. Katheter nach Anspruch 8, wobei sich der eine oder die mehreren spiralförmigen Gewindegänge (720) auf den nicht verjüngten proximalen Abschnitt (750) des Polymer-Spitzenelements erstrecken.
  10. Katheter nach Anspruch 9, wobei sich der eine oder die mehreren spiralförmigen Gewindegänge (720) bis zu einer Verbindungsstelle zwischen dem nicht verjüngten proximalen Abschnitt (750) und dem verjüngten distalen Abschnitt (752) erstrecken.
  11. Katheter nach einem der Ansprüche 8 bis 10, wobei sich die äußere Umhüllung (741) bis zu der Verbindungsstelle zwischen dem nicht verjüngten proximalen Abschnitt (750) und dem verjüngten distalen Abschnitt (752) erstreckt.
  12. Katheter nach einem der Ansprüche 1 bis 11, wobei die äußere Umhüllung (741) ein thermoplastisches Elastomer umfasst, das konfiguriert ist, um auf Erwärmung hin zu schrumpfen.
  13. Katheter nach Anspruch 12, wobei das thermoplastische Elastomer eine Durometer-Härte von etwa 50 D bis etwa 60 D aufweist.
  14. Katheter nach einem der Ansprüche 12 oder 13, wobei eine Schmelztemperatur des thermoplastischen Elastomers etwa 126,7°C bis etwa 182,2°C beträgt.
  15. Katheter nach einem der Ansprüche 1 bis 14, wobei der eine oder die mehreren spiralförmigen Gewindegänge ein Polymerelement einschließen, das um die Polymerabdeckung gewickelt ist.
EP18737025.9A 2017-08-25 2018-06-06 Katheter Active EP3468652B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19163614.1A EP3520851A1 (de) 2017-08-25 2018-06-06 Katheter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/686,962 US10238834B2 (en) 2017-08-25 2017-08-25 Catheter
PCT/IB2018/054054 WO2019038603A1 (en) 2017-08-25 2018-06-06 CATHETER

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19163614.1A Division-Into EP3520851A1 (de) 2017-08-25 2018-06-06 Katheter
EP19163614.1A Division EP3520851A1 (de) 2017-08-25 2018-06-06 Katheter

Publications (2)

Publication Number Publication Date
EP3468652A1 EP3468652A1 (de) 2019-04-17
EP3468652B1 true EP3468652B1 (de) 2021-01-13

Family

ID=62815091

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19163614.1A Pending EP3520851A1 (de) 2017-08-25 2018-06-06 Katheter
EP18737025.9A Active EP3468652B1 (de) 2017-08-25 2018-06-06 Katheter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19163614.1A Pending EP3520851A1 (de) 2017-08-25 2018-06-06 Katheter

Country Status (7)

Country Link
US (2) US10238834B2 (de)
EP (2) EP3520851A1 (de)
JP (2) JP6643522B2 (de)
CN (2) CN109715244A (de)
CA (2) CA3029522C (de)
ES (1) ES2862382T3 (de)
WO (1) WO2019038603A1 (de)

Families Citing this family (10)

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KR101540422B1 (ko) * 2013-12-11 2015-07-30 임승진 굴삭기용 어태치먼트
US9636477B2 (en) 2014-10-09 2017-05-02 Vascular Solutions, Inc. Catheter
KR102286267B1 (ko) * 2017-09-18 2021-08-06 주식회사 백양 이엔지 암반 수거용 장치
KR101844210B1 (ko) 2018-02-06 2018-05-14 윤길수 굴삭기 버킷의 틸팅장치
CN109833556A (zh) * 2019-03-13 2019-06-04 业聚医疗器械(深圳)有限公司 一种用于球囊导管的尖端
WO2021030611A1 (en) * 2019-08-13 2021-02-18 Reflow Medical, Inc. Support catheter
CN211884905U (zh) 2019-08-22 2020-11-10 贝克顿·迪金森公司 球囊扩张导管及其球囊
CN111905236A (zh) * 2020-09-03 2020-11-10 青岛博泰医疗器械有限责任公司 药物球囊导管系统
JPWO2022201246A1 (de) * 2021-03-22 2022-09-29
WO2024003101A1 (en) 2022-07-01 2024-01-04 ETH Zürich Magnetically steerable device for use inside of a mammalian body

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US20190060608A1 (en) 2019-02-28
US11160952B2 (en) 2021-11-02
CN109876274A (zh) 2019-06-14
CN109715244A (zh) 2019-05-03
EP3520851A1 (de) 2019-08-07
JP2019146968A (ja) 2019-09-05
CA3050931A1 (en) 2019-02-25
CA3050931C (en) 2023-04-25
US20190167943A1 (en) 2019-06-06
CA3029522A1 (en) 2019-02-25
JP7003077B2 (ja) 2022-01-20
EP3468652A1 (de) 2019-04-17
US10238834B2 (en) 2019-03-26
WO2019038603A1 (en) 2019-02-28
JP2019528112A (ja) 2019-10-10
CA3029522C (en) 2020-01-07
ES2862382T3 (es) 2021-10-07
JP6643522B2 (ja) 2020-02-12

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